Donald A. Baer

…, 25,417 Rania, 20,554 Turkey Prime Minister Ahmet Davutoğlu, 14,079 White House, 12,847 Khamenei, 12,321 Erdoğan, 11,500 Burson-Marsteller worldwide chair and CEO Donald A. Baer said in a release introducing the study: This is the first ever study to examine how political leaders around the world are using Instagram as a communications tool to reach…